A flaw has been found in libretro RetroArch 1.18.0/1.19.0/1.20.0. This affects the function filestream_vscanf of the file libretro-common/streams/file_stream.c. This manipulation causes out-of-bounds read. The attack needs to be launched locally. Upgrading to version 1.21.0 mitigates this issue. It is recommended to upgrade the affected component.

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Local

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

AV:L/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Libretro
  • Retroarch

No data.

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References
Link Providers
https://github.com/libretro/RetroArch/pull/17555 cve-icon cve-icon
https://github.com/libretro/RetroArch/pull/17555#issuecomment-2651403849 cve-icon cve-icon
https://github.com/libretro/RetroArch/pull/17555/commits/6446f045ec7fc6a5cac3e8ec35a2f0a5889c88e8 cve-icon cve-icon
https://github.com/libretro/RetroArch/releases/tag/v1.21.0 cve-icon cve-icon
https://vuldb.com/?ctiid.320516 cve-icon cve-icon
https://vuldb.com/?id.320516 cve-icon cve-icon
https://vuldb.com/?submit.617657 cve-icon cve-icon cve-icon
History

Thu, 21 Aug 2025 12:45:00 +0000

Type Values Removed Values Added
First Time appeared Libretro
Libretro retroarch
Vendors & Products Libretro
Libretro retroarch

Tue, 19 Aug 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 19 Aug 2025 11:45:00 +0000

Type Values Removed Values Added
Description A flaw has been found in libretro RetroArch 1.18.0/1.19.0/1.20.0. This affects the function filestream_vscanf of the file libretro-common/streams/file_stream.c. This manipulation causes out-of-bounds read. The attack needs to be launched locally. Upgrading to version 1.21.0 mitigates this issue. It is recommended to upgrade the affected component.
Title libretro RetroArch file_stream.c filestream_vscanf out-of-bounds
Weaknesses CWE-119
CWE-125
References
Metrics cvssV2_0

{'score': 4.3, 'vector': 'AV:L/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C'}

cvssV3_0

{'score': 5.3, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C'}

cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C'}

cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2025-08-19T11:32:08.147Z

Updated: 2025-08-19T13:15:15.055Z

Reserved: 2025-08-19T05:30:17.042Z

Link: CVE-2025-9136

cve-icon Vulnrichment

Updated: 2025-08-19T13:14:53.430Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-08-19T12:15:27.390

Modified: 2025-08-19T14:15:43.947

Link: CVE-2025-9136

cve-icon Redhat

No data.